In which organ does most of the chemical digestion of food occur?

• small intestine

• large intestine

• stomach

• mouth

Digestion begins here, where food is broken into smaller pieces before entering the esophagus.

• large intestine

• stomach

• small intestine

• mouth

Which organ is responsible for absorbing water from digested food?

• small intestine

• stomach

• large intestine

• mouth

The muscular tube that connects the mouth to the stomach.

• stomach

• esophagus

• large intestine

• small intestine

Which organ of the digestive system physically breaks down food by the squeezing and churning of muscular contractions?

• mouth

• stomach

• esophagus

• small intestine

Where does digestion begin?

• in the stomach
• in the mouth
• in the esophagus
• in the small intestine

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NGSS.MS-LS1-7

What breaks food into smaller pieces?

• mouth
• tongue
• teeth
• large intestine

A hollow tube where nutrients are absorbed into the bloodstream is called the ___________. 

• esophagus
• stomach
• small intestine
• large intestine

Which part of the digestive system is number 1?

• esophagus
• mouth
• small intestine
• liver

Which part of the digestive system is number 2?

• esophagus
• stomach
• small intestine
• liver